1.  √(p/q)

2.  √(q/p)

3.  √(pq)

4.  pq

4

√(q/p)

Explanation :
No Explanation available for this question

# If the coefficient of (2r+1)th term and (r+2)th term in the expansion of (1+x)43 are equal,then r is equal to:

1.  12

2.  14

3.  25

4.  18

4

14

Explanation :
No Explanation available for this question

# is equal to

1.  1/2cos2θ

2.  0

3.  -1/2cos2θ

4.  1/2

4

1/2cos2θ

Explanation :
No Explanation available for this question

# If A,B,C,D are angles of a cyclic quadrilateral,then cosA+cosB +cosC +cosD is equal to:

1.  0

2.  1

3.  -1

4.  4

4

0

Explanation :
No Explanation available for this question

# The equation √3sinx+cosx=4, has:

1.  only one solution

2.  two solution

3.  infinitely many solution

4.  no solution

4

no solution

Explanation :
No Explanation available for this question

# The coefficient of x5 in the expansion of (1+x2)5(1+x)4 is:

1.  60

2.  50

3.  40

4.  56

4

60

Explanation :
No Explanation available for this question

# Let a, b and c be such that is equal to

1.  1/15

2.  1/6

3.  1/5

4.  1/3

4

1/15

Explanation :
No Explanation available for this question

# sec2(tan-12) + cosec2(cot-13) is equal to:

1.  3

2.  10

3.  15

4.  20

4

15

Explanation :
No Explanation available for this question

# is equal to

1.  coth-1x

2.  sinh-1x

3.  -tanh-1x

4.  tanh-1x

4

tanh-1x

Explanation :
No Explanation available for this question

# If 0< y < 21/3 and x (y3-1)=1,then (2/x)+(2/3x3)+(2/5x5)+.... is equal to

1.  log[y3/(2-y3)]

2.  log[y3/(1-y3)]

3.  log[2y3/(1-y3)]

4.  log[y3/(1-2y3)]

4